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Is there a REAL performance difference between INT and VARCHAR primary keys?
Is there a measurable performance difference between using INT vs. VARCHAR as a primary key in MySQL? I'd like to use VARCHAR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables.
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Datatype for storing ip address in SQL Server
What datatype should I choose for storing an IP Address in a SQL Server?
11 Answers
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Converting integer to binary in python
In order to convert an integer to a binary, I have used this code :
14 Answers
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How do you connect localhost in the Android emulator? [duplicate]
I have made a php script inside localhost and I am connecting that with httpClient but I am getting a problem.
7 Answer...
Correct way to quit a Qt program?
How should I quit a Qt Program, e.g when loading a data file, and discovered file corruption, and user need to quit this app or re-initiate data file?
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Using {} in a case statement. Why?
What is the point with using { and } in a case statement? Normally, no matter how many lines are there in a case statement, all of the lines are executed. Is this just a rule regarding older/newer compilers or there is something behind that?
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How do I set a cookie on HttpClient's HttpRequestMessage
I am trying to use the web api's HttpClient to do a post to an endpoint that requires login in the form of an HTTP cookie that identifies an account (this is only something that is #ifdef 'ed out of the release version).
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Datatable vs Dataset
I currently use a DataTable to get results from a database which I can use in my code.
7 Answers
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Understanding scala enumerations
I have to say I don't understand Scala enumeration classes. I can copy-paste the example from documentation, but I have no idea what is going on.
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Is there an easy way to check the .NET Framework version?
The problem is that I need to know if it's version 3.5 SP 1. Environment.Version() only returns 2.0.50727.3053 .
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